Ortjn-carriaae-lockinor device



m-snn SR i g A.S. BALDWIN. GUN CARRIAGE LOCKING DEVICE. APPLICATiON FILED DEC. I9. 1917.

1 ,31 5,358. Patented Sept.

WITNESS: INVENTOR.

. ZZ W MXM ATTORNEYS.

the present instance, the post ARTHUR STANLEY BALDWIN, 0F BALTIMORE, MARYLAND.

GUN-CARRIAGE-LOCKING DEVICE.-

Specification of Letters Patent.

Patented Sept. 9, 1919.

Application filed December 19. 1917. Serial No. 207.898.

To all whom it may concern Be it known that I, ARTHUR S. BALDWIN, a citizen of the United States, residing at Baltimore, in the State of Maryland, have invented certain new and useful Improvements in Gun-Garriage-Locking Devices, of which the following is a specification.

This invention relates to an improved guncarriage' locking-clamp, and has particular reference to a novel clamp device for rigidly clamping thegun-carriage with respect to the stand or su port One object of thh invention is to provide an improved clamp device that may be quickly operated and which will rotate with the carriage about the stand and thereby always be in a position to enable one man to control and clamp the gun in training position.

The invention is illustrated in the accompanying drawing in which,-

Figure 1, shows in vertical section a portion of the cage-stand and carriage rotatably mounted thereon, and also shows the clamp ing device in vertical section,the sections be1ng taken on the line 11 of Fig. 2.

Fig. 2, illustrates the same in side elevation, and

Fig. 3, shows a cross-sectional detail through the device,-the section being taken on the line 3-3 of Fig. 1.

In the drawing the numeral 4, designates a cage-stand or base, of any preferred construction, but in this instance having an exterior conical form, and provided on its interior with upper and lower bearing openings with bushings 5 and 6 respectively therein.

The particular construction of the carriage is immaterial to the invention, but in 7, is presumed to be a part thereof, and is so shaped as to "snugly fit and be readily .rotated in the bushin s 5 and 6.

he post depends from a body-part 8. and of a slightly smaller diameter whereby annular shoulder 9, directly over and around the upper end of the base or stand.

The body-part 8, is provided with a vertical c1rcumferential groove 10, which extends upwardly from the shoulder 9, and a recess 11, extends laterally from the upper end of said groove for a purpose presently to-be explained.

a The circumferential wall of the post 7,

is also provided with a vertical groove 12, which latter is slightly tapered and increases in depth,-that is, from the circumferential surface inwardly toward the central vertical axis of the post, as it extends downwardly into the interior of the base or cage-stand, as clearly shown in Fig. 1, of the drawing.

By referring to the vertical sectional view in Fig. 1, it will be seen that the tapered vertical groove 12, in the post extends down through the bushing 5, and below the latter and that the upper end of this groove merges with the vertical groove 10, in the body-part 8, above the bushing 5.

A bolt 13, extends from the groove 10, down into the groove 12, and through the bushing 5, and said bolt has an inclined rear wall 1 1, while its front wall 15, is substantially straight, thereby producing a taper or wedge shape to the lower end of the bolt that seats in the tapered vertical groove 12, of the post.

The upper end of the bolt 13, is provided with a cross-slot 16, and a pin 17, on the end of a crank-head 18, progects into said bolt-slot to operatively connect the head and bolt.

The crank-head 18, seats in the lateral recess 11, of the body-part 8, and carries an operating lever 19, which extends downwardly at the side of the base or cage-stand.

It will be noted that the operating lever 19, crank-head 18, and bolt 13, all turn with the carriage or post 7, so that when the carriage or the gun mounted therein is turned for training, the operating lever 19, will also turn and will therefore always have the same relative position with respect to the gun.

It is believed to be obvious that by swinging lever 19, up, the crank-head 18, and in 17, thereon. will be swung downwardly, thereby forcing the bolt 13, down and because of its wedge or tapered shape, cause its straight front wall 15, to be released from its clamping engagement with the bushing 5, and thus release the post 7, for rotation. A reverse operation of the lever will obviously clamp the post to the bushing and prevent rotation.

Having described my invention, what I claim is,

1. In a locking device for gun-carriages, the combination with a stand, of a gun carriage-member having a post which is rotatably sustained by the stand; a locking bolt carried by the carriage-member and extending along the post to engage the stand, and means carried by the carnage-member for operating the bolt.

2. In a locking device for gun-carriages, the combination with a stand, of a gun carriage-member having a post to enter and be rotatably sustained by the stand; a tapered locking bolt carried by the carriagemember and projecting between the post and stand and actuating means carried by the carriage-member for operating the bolt.

3. In a locking devicefor gun-carriages, the combination with a stand having an annular bearing, of a carriage-member having a post extending into the annular bearing of the stand; a locking bolt extending into the bearing between the post and stand and actuating means carried by and rotating with the carriage-member for actuating the 1 bolt.

4. In a locking device for gun-carriages, the combination with a stand havlng an annular bearlng, of a gun carr1age-member having a post entering the said bearing and said post being provided with a side groove in said bearing; a locking bolt 1novable 1n the groove of the post and rotatable wlth the carriage-member and operating means carried by the said carriage-member and connected with the bolt.

5. In a locking device for gun-carriages, the combination with a stand having an annular bearing, of a gun carriage-member having a body-part with a groove in its side and provided with a post which enters the annular bearing,said post having a side groove directly beneath the groove in the bodypart; a locking bolt located 1n said grooves and projecting into the annular bearing, and means moving with the bodypart of the carriage-member for operating said bolt.

In testimony whereof I afliX my signature Copies of 1:111! patent may be obtained for five cents each, by addressing the (fonrimissioner of Patents, Washington, D. 0. 

